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ISL6252 Datasheet, PDF (8/25 Pages) Intersil Corporation – Highly Integrated Battery Charger Controller for Notebook Computers
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ISL6252, ISL6252A
Electrical Specifications
DCIN = CSIP = CSIN = 18V, CSOP = CSON = 12V, ACSET = 1.5V, ACLIM = VREF, VADJ = Floating,
EN = VDD = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V, CVDD = 1µF, IVDD = 0mA, TA = -10°C to +100°C,
TJ ≤ +125°C, Unless Otherwise Noted. Boldface limits apply over the operating temperature
range, -10°C to +100°C. (Continued)
PARAMETER
TEST CONDITIONS
MIN
MAX
(Note 8)
TYP
(Note 8)
UNITS
ADAPTER CURRENT LIMIT THRESHOLD
CSIP to CSIN Full-Scale Current Sense
Voltage
ACLIM = VREF
ACLIM = Float
97
100
103
mV
72
75
78
mV
ACLIM = GND
47
50
53
mV
ACLIM Input Bias Current
ACLIM = VREF
10
16
20
µA
ACLIM = GND
-20
-16
-10
µA
VOLTAGE REGULATION ERROR AMPLIFIER
Error Amplifier Transconductance from
CSON to VCOMP
CELLS = VDD
30
µA/V
CURRENT REGULATION ERROR AMPLIFIER
Charging Current Error Amplifier
Transconductance
50
µA/V
Adapter Current Error Amplifier
Transconductance
50
µA/V
BATTERY CELL SELECTOR
CELLS Input Voltage for 4-Cell Select
4.3
V
CELLS Input Voltage for 3-Cell Select
2
V
CELLS Input Voltage for 2-Cell Select
2.1
4.2
V
LOGIC INTERFACE
EN Input Voltage Range
0
VDD
V
EN Threshold Voltage
Rising
1.030
1.06
1.100
V
Falling
0.985
1.000
1.025
V
Hysteresis
30
60
90
mV
EN Input Bias Current
EN = 2.5V
1.8
2.0
2.2
µA
ACPRN Sink Current
ACPRN = 0.4V
3
8
11
mA
ACPRN Leakage Current
ACPRN = 5V
-0.5
0.5
µA
ICM Output Accuracy
(VICM = 19.9 x (VCSIP - VCSIN))
CSIP-CSIN = 100mV
CSIP-CSIN = 75mV
-3
0
+3
%
-4
0
+4
%
CSIP-CSIN = 50mV
-5
0
+5
%
Thermal Shutdown Temperature
150
°C
Thermal Shutdown Temperature
Hysteresis
25
°C
NOTE:
7. This is the sum of currents in these pins (CSIP, CSIN, BOOT, UGATE, PHASE, CSOP, CSON) all tied to 16.8V. No current in pins EN, ACSET,
VADJ, CELLS, ACLIM, CHLIM.
8. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits are
established by characterization and are not production tested.
8
FN6498.3
August 25, 2010
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